2 * Lowlevel setup for EXYNOS5 based board
4 * Copyright (C) 2013 Samsung Electronics
5 * Rajeshwari Shinde <rajeshwari.s@samsung.com>
7 * See file CREDITS for list of people who contributed to this
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 #include <asm/arch/cpu.h>
29 #include <asm/arch/dmc.h>
30 #include <asm/arch/power.h>
31 #include <asm/arch/tzpc.h>
32 #include <asm/arch/periph.h>
33 #include <asm/arch/pinmux.h>
34 #include "common_setup.h"
36 /* These are the things we can do during low-level init */
40 DO_MEM_RESET = 1 << 2,
44 int do_lowlevel_init(void)
46 uint32_t reset_status;
51 reset_status = get_reset_status();
53 switch (reset_status) {
55 actions = DO_CLOCKS | DO_WAKEUP;
62 /* This is a normal boot (not a wake from sleep) */
63 actions = DO_CLOCKS | DO_MEM_RESET;
66 if (actions & DO_CLOCKS) {
68 mem_ctrl_init(actions & DO_MEM_RESET);
72 return actions & DO_WAKEUP;